Re: [CentOS] Extract lines from text file

[Tony Molloy]

On Wednesday 15 August 2012 20:53:33 m.r...@5-cent.us wrote:
> Tony Molloy wrote:
> > On Wednesday 15 August 2012 19:46:42 Les Mikesell wrote:
> >> On Wed, Aug 15, 2012 at 1:26 PM, Tony Molloy 
> >
> > wrote:
> >> >> ]$ cat testcentoslist | egrep ^m.*:.*:.*:850:
> >> >> m9718308:pw:9301:850: Lynch  :/home/pgstud/m9718508:/bin/bash
> >> >
> >> > Exactly what I needed. I'll just drop the cat as a later
> >> > poster pointed out.
> >>
> >> sed -n -e '/pattern/p' can match anything grep would do and
> >> might be even more useful if you want substitutions for
> >> subsequent use. And of course perl can do anything sed can do,
> >> and then some...
> >
> > True true, and of course C could do anything and everything ;-)
> >
> > But all I need is a simple script which will be run once a year
> > to remove the graduated students from the password file.
> 
> Ah, but are you sure they're not just dropped out for a term, or
>  about to become indentured servants, er, grad students? In that
>  case, maybe just change their login shell to /bin/noLogin
> 
>   mark
> 

No these are 4th year graduated students. If they stay on as post 
graduate students they have to re-register. So clean them out I say 
;-)

Tony
> 
> 
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Re: [CentOS] samba problem with kernel 2.6.32-279.*

[Mogens Kjaer]

On 08/15/2012 10:08 PM, Johnny Hughes wrote:
> I don't this would impact it, but if the underlying file system of the
> samba machine's file system is ext4 and if it is a 64-bit machine, it might.
>
> http://joejulian.name/blog/glusterfs-bit-by-ext4-structure-change/

I guess this must be:

# rpm -q --changelog kernel-2.6.32-279.el6|fgrep hash|fgrep ext4
- [fs] ext4: return 32/64-bit dir name hash according to usage type (J. 
Bruce Fields) [813070]

Is the 813070 number a bugzilla entry? I get an access denied when
trying to read it.

Is there an easy way to remove this patch to test it (in a test 
environment, the main server is back on the old kernel)?

In the Good Old Days redhat kernel SRPMS were a vanilla kernel plus
1.0e+117 patches, now it doesn't look so simple.

Mogens

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Re: [CentOS] IPv6 on Centos 6

[James Hogarth]

>
> An update to close: it's a vmware issue:

thanks for the closure... VMware diagnosis can be a real pain...
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Re: [CentOS] copy/paste centos 6

[Yves Bellefeuille]

On Wednesday 15 August 2012, Jerry Geis  wrote:

>I had to update all these packages on CentOS 6 for a project.
>Everything works great on CentOS 6 - except - Copy/Paste between
>applications.
>
>Anyone - know which application below might control that function?

Perhaps xclipboard from xorg-x11-apps.

Yves

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[CentOS] copy/paste centos 6

[Jerry Geis]

I had to update all these packages on CentOS 6 for a project.
Everything works great on CentOS 6 - except - Copy/Paste between 
applications.

Anyone - know which application below might control that function?
Example I cannot have firefox running and copy and paste text into 
thunderbird.
Both applications - actually all applications work - I just cant copy/paste.

I'm thinking I did not correctly compile one of the applications below - 
or did not
satisfy a dependency. I am just trying to narrow it down.

Any one have insight into this?

Thanks - Jerry

atk-1.32.0.tar.gz
autoconf-2.68.tar.gz
cairo-1.10.0.tar.gz
dbus-glib-0.92.tar.gz
flex-2.5.35.tar.gz
fontconfig-2.8.0.tar.gz
gdk-pixbuf-2.22.1.tar.gz
gettext-0.18.1.1.tar.gz
glib-2.27.5.tar.gz
gmime-2.5.4.tar.gz
gnome-desktop-2.32.1.tar.bz2
gnome-icon-theme-2.31.0.tar.bz2
gnome-vfs-2.24.4.tar.gz
gnutls-2.10.4.tar.bz2
gst-plugins-bad-0.10.23.tar.gz
gst-plugins-base-0.10.36.tar.gz
gst-plugins-good-0.10.31.tar.gz
gst-plugins-ugly-0.10.19.tar.gz
gstreamer-0.10.36.tar.gz
gst-rtsp-server-0.10.8.tar.bz2
gtk+-2.23.3.tar.gz
gtk-doc-1.15.tar.gz
gtk-engines-2.20.2.tar.gz
intltool-0.40.6.tar.gz
libogg-1.1.4.tar.gz
liboil-0.3.17.tar.gz
libpng-1.4.4.tar.gz
libproxy-0.2.3.tar.bz2
libsoup-2.32.2.tar.gz
libtheora-1.1.1.tar.bz2
libtool-2.4.tar.gz
libunique-1.1.6.tar.gz
libvorbis-1.2.3.tar.gz
m4-1.4.15.tar.gz
metacity-2.34.0.tar.gz
orc-0.4.11.tar.gz
pango-1.28.3.tar.gz
pixman-0.21.2.tar.gz
shared-mime-info-0.90.tar.bz2
totem-2.30.2.tar.gz
totem-pl-parser-2.32.1.tar.gz
xvidcore-1.2.2.tar.gz
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Re: [CentOS] stupid bash question

[Mark LaPierre]

On 08/15/2012 06:19 PM, Craig White wrote:
> the relevant snippet is...
>
> NAME="*.mov"
> cd $IN
> if test -n "$(find . -maxdepth 1 -name $NAME -print -quit)"
>
> and if there is one file in this directory - ie test.mov, this works fine
>
> but if there are two (or more) files in this directory - test.mov, test2.mov
>
> then I get an error...
> find: paths must precede expression
>
> So my code is evidently wrong. I just want a test for 1 or more files ending 
> in .mov in the directory?
>
> Any one want to toss me a bone here?
>

Are you trying to find out if there are one or more files that match, or 
are you trying to list the name(s) of the files?

NAME=`ls *.mov`

for FILE in $NAME
do
echo "$FILE"
done


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Re: [CentOS] stupid bash question

[fred smith]

On Wed, Aug 15, 2012 at 05:19:22PM -0600, Larry Martell wrote:
> On Wed, Aug 15, 2012 at 5:08 PM, Craig White  wrote:
> > Some really good suggestions but unfortunately no dice
> >
> > On Aug 15, 2012, at 3:22 PM, Larry Martell wrote:
> >
> >> Run the script with -x to see what's happening. $NAME is probably
> >> getting expanded. You might have to set noglob.
> > 
> > set +o noglob (inside or outside script made no difference
> 
> This worked for me:
> 
> $ cat t.sh
> set -o noglob
> NAME="*.mov"
> find . -maxdepth 1 -name $NAME -print
> 
> $ touch t.mov t2.mov
> $ bash t.sh
> ./t.mov
> ./t2.mov


how about something (seemingly simple) like this:

find out how many there are:

count=`ls * | grep -c .MOV$`

then diagnose the result:

if [ $count -ge 1 ]
then
do your stuff here
else
echo oops. nothing to do!
fi

of course, there are pitfalls... we're asuming that there are only FILES
that would match the pattern ".MOV", no directories.

-- 
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  but he loves those who pursue righteousness.
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Re: [CentOS] Extract lines from text file

[Mark LaPierre]

On 08/15/2012 10:22 AM, Tony Molloy wrote:
>
> Hi,
>
> I'm looking for a command to extract lines from a large text file, a
> password file. A typical user has a username made from a letter
> followed by their id-number.
>
> m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
>
> So for instance if I need to extract lines where;
>
> the 1st field, the username begins with an m
> and
> the 4th field, the group contains exactly 850
>
> cat passwdfile | grep ^m | grep 850>  output
>
> is close but fails if the value 850 appears outside the 4th field. In
> the above example which should be ignored 850 appears in the username
> and home directory and is therefore extracted.
>
> Any ideas.
>
> Thanks,
>
> Tony
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[mlapier@mushroom ~]$ cat tmpfile
m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
m1234567:pw:9302:850: Lynch  :/home/pgstud/m1234567:/bin/bash

[mlapier@mushroom ~]$ grep ^m tmpfile | grep ":850:"
m1234567:pw:9302:850: Lynch  :/home/pgstud/m1234567:/bin/bash
[mlapier@mushroom ~]$

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Re: [CentOS] slowness with new kernel+nouveau?

[Mark LaPierre]

On 08/15/2012 06:53 AM, Darod Zyree wrote:
> Hello,
>
> New kernel version 2.6.32-279.2.1.el6.x86_64 in combination with
> xorg-x11-drv-nouveau Version:0.0.16 is somehow painfully slow on my
> laptop.
>
> during start up it takes almost half a minute for gnome login to appear.
> After having logged in the following happens:
> - gnome top and bottom panels "slide/crawl" in to view one pixel line at
> a time.
> - starting the terminal takes much more time, 10-15, sometimes even up
> to 20 seconds.
> - Firefox also takes much longer to start.
>
> Removing xorg-x11-drv-nouveau seems to resolve this "slowness" but then
> my attached monitor does not work.
>
> Anyone else experiencing this issue or know how to fix/troubleshoot?
>

Have you tried installing the Nvidia drivers from the CentOS repo?

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Re: [CentOS] IPv6 on Centos 6

[Alan Batie]

An update to close: it's a vmware issue:

* new centos 5 creations exhibit the same behavior
* a few months ago, we migrated from an esx 4.0 cluster to a new esx 4.1
cluster
* we've just recently started using a new centos 6 template; the centos
6 system that's working was created before the migration
* a fresh install on esxi 4.0.0 worked fine; when the vm was restarted
on the new cluster, it exhibited the same failure.  I'm hoping to get an
esx 4.0 instance running to I can try the same test, as it seems that
esx 4.0 vms will migrate properly and work.  Failing that, we can clone
the working centos 6 system for now until we can work with vmware to
figure out what's going on...

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Re: [CentOS] stupid bash question

[Larry Martell]

On Wed, Aug 15, 2012 at 5:08 PM, Craig White  wrote:
> Some really good suggestions but unfortunately no dice
>
> On Aug 15, 2012, at 3:22 PM, Larry Martell wrote:
>
>> Run the script with -x to see what's happening. $NAME is probably
>> getting expanded. You might have to set noglob.
> 
> set +o noglob (inside or outside script made no difference

This worked for me:

$ cat t.sh
set -o noglob
NAME="*.mov"
find . -maxdepth 1 -name $NAME -print

$ touch t.mov t2.mov
$ bash t.sh
./t.mov
./t2.mov
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Re: [CentOS] Good Anti-virus for Linux desktops and servers

[Gregory Machin]

Hi.

I tried it. It's very limiting in its support based on Linux kernel. I
would have to package create packages for the unsupported kernels on
many of our machines. And it was a complete fail when I installed the
packages of our media kit.

I don't have time for jumping through hoops.

Thanks

On Wed, Aug 15, 2012 at 2:43 PM, Andrew S Reis  wrote:
> You might try looking into Symantec Endpoint Protection. It offers
> everything you've mentioned you're looking for.
>
> Andrew Reis
>
> Microsoft Windows/Networking Support
> Webmaster
> DBMS Inc.
> Toll-Free: (888) 862-0662 ext. 307
> Direct: (318) 219-5034
> a...@dbmsinc.com
> http://www.dbmsinc.com
>
> -Original Message-
> From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf
> Of John R Pierce
> Sent: Tuesday, August 14, 2012 7:53 PM
> To: centos@centos.org
> Subject: Re: [CentOS] Good Anti-virus for Linux desktops and servers
>
> On 08/14/12 5:38 PM, Gregory Machin wrote:
>> Good point unless its intercepting the ssl stream. there are ways of
>> doing ithttp://wiki.squid-cache.org/Features/SslBump  but its dodgy ..
>
> the only method I know that works consistently is to block all direct
> web and ssl access and force use of a web proxy, so the SSL is between
> the remote server and the proxy server, which is your security gateway.
> users don't like this.   the various uPNP type methods of
> autoconfiguring web proxies are all dodgy.   mobile device users
> frequently have issues.
>
>
> --
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> santa cruz ca mid-left coast
>
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Re: [CentOS] stupid bash question

[Craig White]

Some really good suggestions but unfortunately no dice

On Aug 15, 2012, at 3:22 PM, Larry Martell wrote:

> Run the script with -x to see what's happening. $NAME is probably
> getting expanded. You might have to set noglob.

set +o noglob (inside or outside script made no difference

On Aug 15, 2012, at 3:45 PM, Steve Thompson wrote:

> The substitution of $NAME is expanding the wild card, giving you a single 
> -name with two arguments. You probably want something like:
> 
>   NAME="\*.mov"

-
Definitely agree that it's expanding the glob but this doesn't work
-
On Aug 15, 2012, at 3:51 PM, Jérémie Dubois-Lacoste wrote:  (and Patrick Welch 
too)

> I gess you could also avoid the expension with:
> if test -n "$(find . -maxdepth 1 -name \"$NAME\" -print -quit)"

thought this would be a winner but it seems to completely miss everything with 
the $NAME completely

Thanks

Craig
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Re: [CentOS] stupid bash question

[Patrick Welch]

Put escaped double quotes around name, like \"$NAME\" in the test expression. 
-- 
Pat Welch
Sent from my Android phone with K-9 Mail.

Craig White  wrote:

the relevant snippet is...

NAME="*.mov"
cd $IN
if test -n "$(find . -maxdepth 1 -name $NAME -print -quit)"

and if there is one file in this directory - ie test.mov, this works fine

but if there are two (or more) files in this directory - test.mov, test2.mov

then I get an error...
find: paths must precede expression

So my code is evidently wrong. I just want a test for 1 or more files ending in 
.mov in the directory?

Any one want to toss me a bone here?

-- 
Craig White ~ craig.wh...@ttiltd.com
1.800.869.6908 ~~ www.ttiassessments.com 

Need help communicating between generations at work to achieve your desired 
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Re: [CentOS] stupid bash question

[Jérémie Dubois-Lacoste]

I gess you could also avoid the expension with:
if test -n "$(find . -maxdepth 1 -name \"$NAME\" -print -quit)"

2012/8/15 Steve Thompson :
> On Wed, 15 Aug 2012, Craig White wrote:
>
>> the relevant snippet is...
>>
>> NAME="*.mov"
>> cd $IN
>> if test -n "$(find . -maxdepth 1 -name $NAME -print -quit)"
>>
>> and if there is one file in this directory - ie test.mov, this works fine
>>
>> but if there are two (or more) files in this directory - test.mov, test2.mov
>>
>> then I get an error...
>> find: paths must precede expression
>
> The substitution of $NAME is expanding the wild card, giving you a single
> -name with two arguments. You probably want something like:
>
> NAME="\*.mov"
>
> Steve
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Re: [CentOS] stupid bash question

[Steve Thompson]

On Wed, 15 Aug 2012, Craig White wrote:

> the relevant snippet is...
>
> NAME="*.mov"
> cd $IN
> if test -n "$(find . -maxdepth 1 -name $NAME -print -quit)"
>
> and if there is one file in this directory - ie test.mov, this works fine
>
> but if there are two (or more) files in this directory - test.mov, test2.mov
>
> then I get an error...
> find: paths must precede expression

The substitution of $NAME is expanding the wild card, giving you a single 
-name with two arguments. You probably want something like:

NAME="\*.mov"

Steve
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Re: [CentOS] stupid bash question

[Larry Martell]

On Wed, Aug 15, 2012 at 4:19 PM, Craig White  wrote:
> the relevant snippet is...
>
> NAME="*.mov"
> cd $IN
> if test -n "$(find . -maxdepth 1 -name $NAME -print -quit)"
>
> and if there is one file in this directory - ie test.mov, this works fine
>
> but if there are two (or more) files in this directory - test.mov, test2.mov
>
> then I get an error...
> find: paths must precede expression
>
> So my code is evidently wrong. I just want a test for 1 or more files ending 
> in .mov in the directory?
>
> Any one want to toss me a bone here?

Run the script with -x to see what's happening. $NAME is probably
getting expanded. You might have to set noglob.
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[CentOS] stupid bash question

[Craig White]

the relevant snippet is...

NAME="*.mov"
cd $IN
if test -n "$(find . -maxdepth 1 -name $NAME -print -quit)"

and if there is one file in this directory - ie test.mov, this works fine

but if there are two (or more) files in this directory - test.mov, test2.mov

then I get an error...
find: paths must precede expression

So my code is evidently wrong. I just want a test for 1 or more files ending in 
.mov in the directory?

Any one want to toss me a bone here?

-- 
Craig White ~ craig.wh...@ttiltd.com
1.800.869.6908 ~~ www.ttiassessments.com 

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Re: [CentOS] Strange issue with system time being off

[Russell Jones]

Hi all,

After poking around a bit I ended up just going the
/etc/ntp/step-tickers route to resolve the issue and have the time
in-sync as soon as the OS comes up.

Thanks for all the help!



On Sat, Aug 11, 2012 at 7:15 PM, Gordon Messmer  wrote:
> On 08/09/2012 12:33 PM, Russell Jones wrote:
>> The hardware clock is configured in local time. /etc/sysconfig/clock
>> is set to UTC=false and ZONE="America/Chicago".
>
> What other settings are in that file?
>
> The system is treating your hardware clock as if it were UTC.  Actually
> setting it to UTC is probably the easiest fix (and possibly the best one).
>
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Re: [CentOS] how best to rollback from a yum update?

[Yves Bellefeuille]

On Wednesday 15 August 2012, Jon Detert  
wrote:

> Suppose I want to upgrade a bunch of packages on a system, but in
> case the upgrade produces unexpected, undesired results, I want to
> be able to rollback the system to its original state.  What is the
> best way to do that?

yum history list, then yum history undo

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[CentOS] KVM Setup for Win7 Pro on CentOS 5.x

[Bill Campbell]

Can somebody point me to a HowTO or other documentation describing the
tools available under the CentOS 5 KVM package to create and manage a
Windows 7 Pro VM?  All my VM experience to date has been the old free
VMware Server.


I need to:
   + Create the VM instance allowing for about 50GB total disk space which
 will be either a single image partitioned into two Windows 'Drives'
 for the OS and applications/data, or two images.

   + Install Windows 7 from an OEM System Builder Pack, either using the
 CD/DVD drive on the Linux server or from an image created with 'dd'
 from the Win7 media.

   + Set up network bridging on the private LAN so that the Windows system
 is accessible via OpenVPN connections from the outside world and by
 users on the LAN to run a client/server accounting application.

Thanks

Bill
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Fax:(206) 232-9186  Skype: jwccsllc (206) 855-5792

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Re: [CentOS] samba problem with kernel 2.6.32-279.*

[Johnny Hughes]

On 08/15/2012 06:25 AM, Mogens Kjaer wrote:
> Hello,
>
> We use Norton Ghost, running in a PXE booted DOS, to
> handle Windows XP images.
>
> The images are stored on a samba share on our CentOS 6
> server.
>
> This has worked without any problems for years.
>
> After kernel 2.6.32-279* it has stopped working.
>
> The symptom is that if I boot in DOS, and do:
>
> net use x: \\myserver\ghostimages
> dir x:
>
> I get an infinite loop where the first file name is
> listed again and again.
>
> Going back to kernel-2.6.32-220.17.1 on the server fixes
> the problem.
>
> The problem exist with kernel-2.6.32-279, kernel-2.6.32-279.2.1,
> and kernel-2.6.32-279.5.1.
>
> Samba is version samba-3.5.10-125, the server is x86_64.
>
> Where should I look for a solution to that problem on
> the newer kernels?
>
> Mogens
>

I don't this would impact it, but if the underlying file system of the
samba machine's file system is ext4 and if it is a 64-bit machine, it might.

http://joejulian.name/blog/glusterfs-bit-by-ext4-structure-change/





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Re: [CentOS] Eth1 problem on CentOS-6.3

[James B. Byrne]

On Wed, August 15, 2012 09:26, m.r...@5-cent.us wrote:

>
> My eyes uncrossed, and I saw, buried in there, the firstlink, above,
> and the last. You might want to see if a) the 8168d firmware patch
> will work on that card; b) vhost - it's a virtual host? perhaps it's
> trying to load the firmware patch to the real NIC, and as a guest
> VM, it doesn't have rights?
>

vhost is a kvm host system, not a virtualized guest.  As I wrote
elsewhere, I installed the kmod package from elrepo that handles this
device, which solution I believe you may have originally suggested to
me.  In any case, that seems to have solved the problem (fingers
crossed).

Thanks for the help.  I appreciate it very much.

Sorry about your eyes.  But when things are totally unfamiliar to me I
hesitate to trim error logs lest out of ignorance I remove what is
really important.

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Re: [CentOS] Extract lines from text file

[m . roth]

Tony Molloy wrote:
> On Wednesday 15 August 2012 19:46:42 Les Mikesell wrote:
>> On Wed, Aug 15, 2012 at 1:26 PM, Tony Molloy 
> wrote:
>> >> ]$ cat testcentoslist | egrep ^m.*:.*:.*:850:
>> >> m9718308:pw:9301:850: Lynch  :/home/pgstud/m9718508:/bin/bash
>> >
>> > Exactly what I needed. I'll just drop the cat as a later poster
>> > pointed out.
>>
>> sed -n -e '/pattern/p' can match anything grep would do and might
>>  be even more useful if you want substitutions for subsequent use.
>>  And of course perl can do anything sed can do, and then some...
>>
>
> True true, and of course C could do anything and everything ;-)
>
> But all I need is a simple script which will be run once a year to
> remove the graduated students from the password file.
>
Ah, but are you sure they're not just dropped out for a term, or about to
become indentured servants, er, grad students? In that case, maybe just
change their login shell to /bin/noLogin

  mark



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Re: [CentOS] Extract lines from text file

[Tony Molloy]

On Wednesday 15 August 2012 19:46:42 Les Mikesell wrote:
> On Wed, Aug 15, 2012 at 1:26 PM, Tony Molloy  
wrote:
> >> ]$ cat testcentoslist | egrep ^m.*:.*:.*:850:
> >> m9718308:pw:9301:850: Lynch  :/home/pgstud/m9718508:/bin/bash
> >
> > Exactly what I needed. I'll just drop the cat as a later poster
> > pointed out.
> 
> sed -n -e '/pattern/p' can match anything grep would do and might
>  be even more useful if you want substitutions for subsequent use. 
>  And of course perl can do anything sed can do, and then some...
> 

True true, and of course C could do anything and everything ;-)

But all I need is a simple script which will be run once a year to 
remove the graduated students from the password file.

Regards,

Tony
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Re: [CentOS] samba problem with kernel 2.6.32-279.*

[Johnny Hughes]

On 08/15/2012 06:25 AM, Mogens Kjaer wrote:
> Hello,
>
> We use Norton Ghost, running in a PXE booted DOS, to
> handle Windows XP images.
>
> The images are stored on a samba share on our CentOS 6
> server.
>
> This has worked without any problems for years.
>
> After kernel 2.6.32-279* it has stopped working.
>
> The symptom is that if I boot in DOS, and do:
>
> net use x: \\myserver\ghostimages
> dir x:
>
> I get an infinite loop where the first file name is
> listed again and again.
>
> Going back to kernel-2.6.32-220.17.1 on the server fixes
> the problem.
>
> The problem exist with kernel-2.6.32-279, kernel-2.6.32-279.2.1,
> and kernel-2.6.32-279.5.1.
>
> Samba is version samba-3.5.10-125, the server is x86_64.
>
> Where should I look for a solution to that problem on
> the newer kernels?
>
> Mogens

I would start in:

rpm -q --changelog kernel-2.6.32-279 | less

and look at everything smb or cifs between the last version that works
and your version to see if you can tell what update might be causing the
issue.



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Re: [CentOS] tigervnc-server-module crashes after EL 6.3 update

[Johnny Hughes]

On 08/15/2012 09:47 AM, Cal Webster wrote:
> On Tue, 2012-08-14 at 20:55 -0500, Johnny Hughes wrote:
>> On 08/14/2012 05:23 PM, Cal Webster wrote:
>>> We began experiencing failed vnc connections to the console display on
>>> servers that have been updated to EL 6.3. No such failures have occurred
>>> on similar connections to EL 6.2 servers.
>>>
>>> On the client machine a normal vncviewer display appears with the
>>> expected graphical login until the mouse pointer is moved within the
>>> boundaries of the vncviewer window. At this point the window closes and
>>> an error message appears in both a pop-up window and in the terminal
>>> window in which the session was initiated stating "read: Connection
>>> reset by peer (104)".
>>>
>>> On the server end, a core dump is generated and a abrt bug report is
>>> created.
>>>
>>> /var/log/messages
>>> --
>>> Aug 14 11:00:30 jato2 abrt[11411]: File '/usr/bin/Xorg' seems to be
>>> deleted
>>> Aug 14 11:00:30 jato2 abrt[11411]: Saved core dump of pid 7892
>>> (/usr/bin/Xorg) to /var/spool/abrt/ccpp-2012-08-14-11:00:30-7892
>>> (42041344 bytes)
>>> Aug 14 11:00:30 jato2 abrtd: Directory 'ccpp-2012-08-14-11:00:30-7892'
>>> creation detected
>>> --
>>>
>>> This bug has been reported in the CentOS bug tracker here:
>>>
>>> 0005824: tigervnc-server-module keep crashing
>>> http://bugs.centos.org/view.php?id=5824
>>>
>>> However, this appears to be a bug upstream. The source RPM provided with
>>> CentOS is identical to that of upstream with no modifications. Also,
>>> there is an upstream bug reported that appears to have the same
>>> symptoms. I have added a comment to the upstream bug report (listed
>>> below) if anyone wishes to see the details.
>>>
>>> tigervnc-server-module crashes with dual screen setup
>>> https://bugzilla.redhat.com/show_bug.cgi?id=820443
>>>
>>>
>>>
>>> We have verified that rebuilding the unmodified source RPM for tigervnc
>>> produces a tigervnc-server-module RPM that does not suffer from this
>>> bug.
>>>
>>> Removing the original tigervnc-server-module package and replacing it
>>> with the rebuilt one fixes the problem.
>>>
>>> I've duplicated the problem on 2 EL 6.3 x86_64 single-head display
>>> machines and have verified the fix.
>>>
>>> Tomorrow, I'll duplicate the problem on a dual-head x86_64 machine that
>>> currently still works after updating to EL 6.2 then confirm the the fix.
>>>
>> Did you rebuild the SRPM using mock or directly on a physical machine
>> with rpmbuild?
> No mock, just a simple "rpmbuild -ba SPEC/tigervnc.spec"

OK, if you find that this solves your problems for sure, I will build
the SRPM outside of mock and see if it is different.



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Re: [CentOS] Extract lines from text file

[Les Mikesell]

On Wed, Aug 15, 2012 at 1:26 PM, Tony Molloy  wrote:
>>>
>> ]$ cat testcentoslist | egrep ^m.*:.*:.*:850:
>> m9718308:pw:9301:850: Lynch  :/home/pgstud/m9718508:/bin/bash
>>
>
> Exactly what I needed. I'll just drop the cat as a later poster
> pointed out.
>

sed -n -e '/pattern/p' can match anything grep would do and might be
even more useful if you want substitutions for subsequent use.  And of
course perl can do anything sed can do, and then some...

-- 
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lesmikes...@gmail.com
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Re: [CentOS] Extract lines from text file

[Tony Molloy]

On Wednesday 15 August 2012 15:36:09 Marcelo Beckmann wrote:
> Em 15-08-2012 11:22, Tony Molloy escreveu:
> > Hi,
> >
> > I'm looking for a command to extract lines from a large text
> > file, a password file. A typical user has a username made from a
> > letter followed by their id-number.
> >
> > m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
> >
> > So for instance if I need to extract lines where;
> >
> > the 1st field, the username begins with an m
> > and
> > the 4th field, the group contains exactly 850
> >
> > cat passwdfile | grep ^m | grep 850 > output
> >
> > is close but fails if the value 850 appears outside the 4th
> > field. In the above example which should be ignored 850 appears
> > in the username and home directory and is therefore extracted.
> >
> > Any ideas.
> 
> ]$ cat testcentoslist
> m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
> m9718308:pw:9301:850: Lynch  :/home/pgstud/m9718508:/bin/bash
> m9718208:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
> m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718908:/bin/bash
> 
> ]$ cat testcentoslist | egrep ^m.*:.*:.*:850:
> m9718308:pw:9301:850: Lynch  :/home/pgstud/m9718508:/bin/bash
> 

Exactly what I needed. I'll just drop the cat as a later poster 
pointed out.

Thanks to all who replied.

Tony
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Re: [CentOS] Extract lines from text file

[m . roth]

Tilman Schmidt wrote:
> Am 15.08.2012 16:36, schrieb Marcelo Beckmann:
>> Em 15-08-2012 11:22, Tony Molloy escreveu:
> [...]
>>> cat passwdfile | grep ^m | grep 850 > output
> [...]
>> ]$ cat testcentoslist | egrep ^m.*:.*:.*:850:
>
> http://en.wikipedia.org/wiki/Cat_%28Unix%29#Useless_use_of_cat
>
> Because a cat is a terrible thing to waste.
>
And why would you want to disturb our Lords & Masters? I mean, why are
*we* here?

  mark

--
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  Dogs have masters, cats have staff.

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Re: [CentOS] [SOLVED] (maybe) Eth1 problem on CentOS-6.3

[James B. Byrne]

I seem to have resolved this issue by installing the alternate kernel
module for this chip set available from elrepo.


# /sbin/lspci -nn | grep -i net
.  .  .
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev
03)
.  .  .

# /sbin/lspci -n | grep '01:00.0'
01:00.0 0200: 10ec:8168 (rev 03)

Using the the device id (10ec:8168) to search:

  http://elrepo.org/tiki/DeviceIDs

shows that this matches:

r8168.ko

pci10EC:8168kmod-r8168


# yum whatprovides kmod-r8168
. . .

kmod-r8168-8.031.00-1.el6.elrepo.x86_64 : r8168 kernel module(s)
Repo: elrepo
Matched from:
. . .

# yum install kmod-r8168
.  .  .
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package kmod-r8168.x86_64 0:8.031.00-1.el6.elrepo will be installed
--> Finished Dependency Resolution

Dependencies Resolved


 Package  Arch Version  
RepositorySize

Installing:
 kmod-r8168   x86_64   8.031.00-1.el6.elrepo elrepo   
73 k

Transaction Summary

Install   1 Package(s)

Total size: 73 k
Installed size: 533 k
Is this ok [y/N]: y
Downloading Packages:
.  .  .

This seems to have cleared up the problem on both hosts but, only time
will tell.



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Re: [CentOS] Extract lines from text file

[Tilman Schmidt]

Am 15.08.2012 16:36, schrieb Marcelo Beckmann:
> Em 15-08-2012 11:22, Tony Molloy escreveu:
[...]
>> cat passwdfile | grep ^m | grep 850 > output
[...]
> ]$ cat testcentoslist | egrep ^m.*:.*:.*:850:

http://en.wikipedia.org/wiki/Cat_%28Unix%29#Useless_use_of_cat

Because a cat is a terrible thing to waste.

SCNR,
T.
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Re: [CentOS] Extract lines from text file

[m . roth]

Tony Mountifield wrote:
> In article <81eb30fb297893749f5c1e211f08c7e4.squir...@mail.5-cent.us>,
>   wrote:
>> wwp wrote:
>> > On Wed, 15 Aug 2012 15:22:10 +0100 Tony Molloy 
>> wrote:
>> >>
>> >> I'm looking for a command to extract lines from a large text file, a
>> >> password file. A typical user has a username made from a letter
>> >> followed by their id-number.
>> >>
>> >> m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
>> >>
>> >> So for instance if I need to extract lines where;
>> >> the 1st field, the username begins with an m
>> >> and the 4th field, the group contains exactly 850
>> >>
>> >> cat passwdfile | grep ^m | grep 850 > output
>> >>
>> >> is close but fails if the value 850 appears outside the 4th field. In
>> >> the above example which should be ignored 850 appears in the username
>> >> and home directory and is therefore extracted.
>> >
>> > Something like `grep -E '^m.+:.*:.*:850:'` maybe?
>>
>> Complicated.
>>
>> awk '{ if ($1 ~ /^m/ && $4 == "850" ) { print $0;}}' /etc/passwd
>
> awk -F: '{ if ($1 ~ /^m/ && $4 == "850" ) { print $0;}}' /etc/passwd

Or
awk 'BEGIN { FS=":";}{ if ($1 ~ /^m/ && $4 == "850" ) { print $0;}}'
/etc/passwd

mark

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Re: [CentOS] how best to rollback from a yum update?

[Nux!]

On 15.08.2012 17:23, Jon Detert wrote:
> Suppose I want to upgrade a bunch of packages on a system, but in
> case the upgrade produces unexpected, undesired results, I want to be
> able to rollback the system to its original state.  What is the best
> way to do that?

I would use yum-plugin-fs-snapshot (or just take an lvm snapshot 
manually).

-- 
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[CentOS] how best to rollback from a yum update?

[Jon Detert]

Suppose I want to upgrade a bunch of packages on a system, but in case the 
upgrade produces unexpected, undesired results, I want to be able to rollback 
the system to its original state.  What is the best way to do that?

Often, I won't have, or be able to find, packages for the current installed 
versions.  I.e. If I haven't upgraded postgres for 2 years, it may be that I 
can no longer find a package for the version I am currently running.

The 'rollback' feature of rpm and yum [1] looks promising, but I have a few 
concerns with it:

a) why isn't the --rolback switch described in either the man page for rpm or 
the output from --help?  This makes me think the --rollback switch is 
deprecated or otherwise unofficial.

b) how can I trim/purge the 'repackaged' rpms that by default go in 
/var/spool/repackage [2]?  I don't want to just leave them there forever, but 
if I trim/purge/delete them, how will the rpm database be updated to know that 
it can no longer rollback to the date that they were installed?

AtDhVaAnNkCsE

[1] http://www.freedomit.co.nz/kb-centos/enabling-yum/rpm-rollback
[2] http://www.linuxjournal.com/article/7034?page=0,1
-- 
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Milwaukee, Wisconsin
414-290-6759
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[CentOS] CentOS-announce Digest, Vol 90, Issue 9

[centos-announce-request]

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To subscribe or unsubscribe via the World Wide Web, visit
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Today's Topics:

   1. CESA-2012:1156 Moderate CentOS 6 kernel Update (Johnny Hughes)


--

Message: 1
Date: Wed, 15 Aug 2012 04:21:07 +
From: Johnny Hughes 
Subject: [CentOS-announce] CESA-2012:1156 Moderate CentOS 6 kernel
Update
To: centos-annou...@centos.org
Message-ID: <20120815042107.ga19...@chakra.karan.org>
Content-Type: text/plain; charset=us-ascii


CentOS Errata and Security Advisory 2012:1156 Moderate

Upstream details at : https://rhn.redhat.com/errata/RHSA-2012-1156.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( sha256sum Filename ) 


i386:
401fe56789a69f3ca2c7f327dca1bedbe3e122b86233f178f7bd47f778c0adb1  
kernel-2.6.32-279.5.1.el6.i686.rpm
f7f4959375076ce578db837cff336b5ddcdeed1f72ee5e4dbf1475a8f5fad4af  
kernel-debug-2.6.32-279.5.1.el6.i686.rpm
4902e0cf5cee8c2fa7314db34498d612abe5e3db22d76cd6e02755f21f0d41ef  
kernel-debug-devel-2.6.32-279.5.1.el6.i686.rpm
780a2a8ab3b0d2b559179e171edcb1f6c58d15b7c6ce514273699dcdf1ecb19f  
kernel-devel-2.6.32-279.5.1.el6.i686.rpm
14aa1fc5cfa421605236ebb4e79aa4ef0b4dde974255398dd3b50932f581c1a6  
kernel-doc-2.6.32-279.5.1.el6.noarch.rpm
4e4bc121b137cc83dfe9c9ca5497f7fbf1daca41e2668128accd06cc550fe04e  
kernel-firmware-2.6.32-279.5.1.el6.noarch.rpm
f2d9d272cb1bcf13f821b0b1be2943753a135c33c43cb92642f38c05db461b50  
kernel-headers-2.6.32-279.5.1.el6.i686.rpm
71daaf6e22b7f5a71c0d836875c3a1101b5d071c7cebed79b73b5a8244f98ec9  
perf-2.6.32-279.5.1.el6.i686.rpm
f00d8c073dfe7b88e9f7caded9be261f8ebc45356c35692554624b8fa713bd98  
python-perf-2.6.32-279.5.1.el6.i686.rpm

x86_64:
fdfb26523bcc4ca77ecdd182d31d78d83b866d1283b3dfc624c34e70f69bd61b  
kernel-2.6.32-279.5.1.el6.x86_64.rpm
bdf821479037c870f2a926fd55509af7ad88cd5c2d312497e61530d0d43f2438  
kernel-debug-2.6.32-279.5.1.el6.x86_64.rpm
2c9c0a7d50378f70ac80582cb5636d2b36d9fb8615b4b72ea2fc2df889b5656e  
kernel-debug-devel-2.6.32-279.5.1.el6.x86_64.rpm
6ad2ed5933e22186c4e97c64ffd0ddfbded48dea2ba5f3291e47963127c56a34  
kernel-devel-2.6.32-279.5.1.el6.x86_64.rpm
29319bb3c31c5ee6d370d0da82a51851f24e54688136104c2694b8b0365adcc6  
kernel-doc-2.6.32-279.5.1.el6.noarch.rpm
1e144afd01a3be84b9e698dedbe4cd95fc99025f23e583ac7498ac3568dc86b6  
kernel-firmware-2.6.32-279.5.1.el6.noarch.rpm
f5bc0117e4371037084181e899b40b6da53e0666d932ba9aacf0950a400cda8d  
kernel-headers-2.6.32-279.5.1.el6.x86_64.rpm
2394f7b0fa0de3b86d21e9903f6886323fd42ce7ab1f8f3f3a8a52723eb37c75  
perf-2.6.32-279.5.1.el6.x86_64.rpm
d9702f2bf017d839e9923df390b31e3e75bca11613672d8c620fe19eb8971f16  
python-perf-2.6.32-279.5.1.el6.x86_64.rpm

Source:
2dbace349e15081cbd991c5890958e6a4efcc544de2a04eb7cf5b4cb58d614fe  
kernel-2.6.32-279.5.1.el6.src.rpm



-- 
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CentOS Project { http://www.centos.org/ }
irc: hughesjr, #cen...@irc.freenode.net



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Re: [CentOS] Extract lines from text file

[Tony Mountifield]

In article <81eb30fb297893749f5c1e211f08c7e4.squir...@mail.5-cent.us>,
  wrote:
> wwp wrote:
> > On Wed, 15 Aug 2012 15:22:10 +0100 Tony Molloy  wrote:
> >>
> >> I'm looking for a command to extract lines from a large text file, a
> >> password file. A typical user has a username made from a letter
> >> followed by their id-number.
> >>
> >> m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
> >>
> >> So for instance if I need to extract lines where;
> >> the 1st field, the username begins with an m
> >> and the 4th field, the group contains exactly 850
> >>
> >> cat passwdfile | grep ^m | grep 850 > output
> >>
> >> is close but fails if the value 850 appears outside the 4th field. In
> >> the above example which should be ignored 850 appears in the username
> >> and home directory and is therefore extracted.
> >
> > Something like `grep -E '^m.+:.*:.*:850:'` maybe?
> 
> Complicated.
> 
> awk '{ if ($1 ~ /^m/ && $4 == "850" ) { print $0;}}' /etc/passwd

awk -F: '{ if ($1 ~ /^m/ && $4 == "850" ) { print $0;}}' /etc/passwd

Cheers
Tony
-- 
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Work: t...@softins.co.uk - http://www.softins.co.uk
Play: t...@mountifield.org - http://tony.mountifield.org
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Re: [CentOS] Eth1 problem on CentOS-6.3

[Ned Slider]

On 15/08/12 16:18, James B. Byrne wrote:
> On Wed, August 15, 2012 09:15, Reindl Harald wrote:
>> did you read the output you posted?
>> http://lmgtfy.com/?q=unable+to+load+firmware+patch+rtl_nic%2Frtl8168d-1.fw
> r8169 :01:00.0: eth1: invalid firwmare
>> r8169 :01:00.0: eth1: unable to load firmware patch
>> rtl_nic/rtl8168d-1.fw (-22)
>
> I cannot seem to find a fix for this even given the references
> provided.  However, I have discovered that eth1 has problems on the
> second host as well, it just does not generate the same messages:
>



>
> So, my questions are: What is the problem and how do I fix it for both
> hosts?
>

Do you actually have the kernel-firmware package installed that provides 
the firmware?

rpm -q kernel-firmware

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Re: [CentOS] Extract lines from text file

[m . roth]

wwp wrote:
> On Wed, 15 Aug 2012 15:22:10 +0100 Tony Molloy  wrote:
>>
>> I'm looking for a command to extract lines from a large text file, a
>> password file. A typical user has a username made from a letter
>> followed by their id-number.
>>
>> m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
>>
>> So for instance if I need to extract lines where;
>> the 1st field, the username begins with an m
>> and the 4th field, the group contains exactly 850
>>
>> cat passwdfile | grep ^m | grep 850 > output
>>
>> is close but fails if the value 850 appears outside the 4th field. In
>> the above example which should be ignored 850 appears in the username
>> and home directory and is therefore extracted.
>
> Something like `grep -E '^m.+:.*:.*:850:'` maybe?

Complicated.

awk '{ if ($1 ~ /^m/ && $4 == "850" ) { print $0;}}' /etc/passwd

mark "awk! awk!*"

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Re: [CentOS] Eth1 problem on CentOS-6.3

[Ned Slider]

On 15/08/12 16:18, James B. Byrne wrote:
> On Wed, August 15, 2012 09:15, Reindl Harald wrote:
>> did you read the output you posted?
>> http://lmgtfy.com/?q=unable+to+load+firmware+patch+rtl_nic%2Frtl8168d-1.fw
> r8169 :01:00.0: eth1: invalid firwmare
>> r8169 :01:00.0: eth1: unable to load firmware patch
>> rtl_nic/rtl8168d-1.fw (-22)
>
> I cannot seem to find a fix for this even given the references
> provided.  However, I have discovered that eth1 has problems on the
> second host as well, it just does not generate the same messages:
>



>
> So, my questions are: What is the problem and how do I fix it for both
> hosts?
>

Have you tried the updated driver I suggested?

Set up elrepo.org repository and then do:

yum install kmod-r8168

reboot and test.

If it doesn't work you can uninstall it and you've lost nothing but 10 
minutes of your time.

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Re: [CentOS] Eth1 problem on CentOS-6.3

[James B. Byrne]

On Wed, August 15, 2012 09:15, Reindl Harald wrote:
> did you read the output you posted?
> http://lmgtfy.com/?q=unable+to+load+firmware+patch+rtl_nic%2Frtl8168d-1.fw
r8169 :01:00.0: eth1: invalid firwmare
> r8169 :01:00.0: eth1: unable to load firmware patch
> rtl_nic/rtl8168d-1.fw (-22)

I cannot seem to find a fix for this even given the references
provided.  However, I have discovered that eth1 has problems on the
second host as well, it just does not generate the same messages:

[root@vhost02 ~]# grep eth /var/log/messages
Aug 13 17:10:18 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 13 17:16:19 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 14 11:23:39 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 14 11:23:41 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 14 11:37:42 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 14 11:37:44 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 14 11:38:51 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 14 11:38:53 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 14 11:40:17 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 14 11:40:19 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 14 11:40:50 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 14 11:40:52 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 14 15:26:20 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 14 15:26:22 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 05:28:39 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 05:28:42 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 05:40:32 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 05:40:34 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 05:47:34 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 05:47:36 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 05:48:21 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 05:48:23 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 06:16:53 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 06:16:54 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 06:18:35 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 06:18:37 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 06:22:27 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 06:22:29 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 06:31:36 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 06:31:38 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 06:40:27 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 06:40:29 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 06:41:40 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 06:41:42 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 06:49:39 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 06:49:41 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 07:01:59 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:02:01 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 07:04:08 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:04:10 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 07:07:28 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:07:30 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 07:09:54 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:09:56 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 07:12:07 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:12:09 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 07:13:58 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:14:00 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 07:17:04 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:17:06 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 07:20:14 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:20:16 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 07:29:28 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:29:30 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 09:31:56 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 09:31:58 vhost02 kernel: r8169 :01:00.0: eth1: link up
Aug 15 09:33:18 vhost02 kernel: r8169 :01:00.0: eth1: link down
Aug 15 09:33:20 vhost02 kernel: r8169 :01:00.0: eth1: link up


So, my questions are: What is the problem and how do I fix it for both
hosts?

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Re: [CentOS] tigervnc-server-module crashes after EL 6.3 update

[Cal Webster]

On Tue, 2012-08-14 at 20:55 -0500, Johnny Hughes wrote:
> On 08/14/2012 05:23 PM, Cal Webster wrote:
> > We began experiencing failed vnc connections to the console display on
> > servers that have been updated to EL 6.3. No such failures have occurred
> > on similar connections to EL 6.2 servers.
> >
> > On the client machine a normal vncviewer display appears with the
> > expected graphical login until the mouse pointer is moved within the
> > boundaries of the vncviewer window. At this point the window closes and
> > an error message appears in both a pop-up window and in the terminal
> > window in which the session was initiated stating "read: Connection
> > reset by peer (104)".
> >
> > On the server end, a core dump is generated and a abrt bug report is
> > created.
> >
> > /var/log/messages
> > --
> > Aug 14 11:00:30 jato2 abrt[11411]: File '/usr/bin/Xorg' seems to be
> > deleted
> > Aug 14 11:00:30 jato2 abrt[11411]: Saved core dump of pid 7892
> > (/usr/bin/Xorg) to /var/spool/abrt/ccpp-2012-08-14-11:00:30-7892
> > (42041344 bytes)
> > Aug 14 11:00:30 jato2 abrtd: Directory 'ccpp-2012-08-14-11:00:30-7892'
> > creation detected
> > --
> >
> > This bug has been reported in the CentOS bug tracker here:
> >
> > 0005824: tigervnc-server-module keep crashing
> > http://bugs.centos.org/view.php?id=5824
> >
> > However, this appears to be a bug upstream. The source RPM provided with
> > CentOS is identical to that of upstream with no modifications. Also,
> > there is an upstream bug reported that appears to have the same
> > symptoms. I have added a comment to the upstream bug report (listed
> > below) if anyone wishes to see the details.
> >
> > tigervnc-server-module crashes with dual screen setup
> > https://bugzilla.redhat.com/show_bug.cgi?id=820443
> >
> >
> >
> > We have verified that rebuilding the unmodified source RPM for tigervnc
> > produces a tigervnc-server-module RPM that does not suffer from this
> > bug.
> >
> > Removing the original tigervnc-server-module package and replacing it
> > with the rebuilt one fixes the problem.
> >
> > I've duplicated the problem on 2 EL 6.3 x86_64 single-head display
> > machines and have verified the fix.
> >
> > Tomorrow, I'll duplicate the problem on a dual-head x86_64 machine that
> > currently still works after updating to EL 6.2 then confirm the the fix.
> >
> 
> Did you rebuild the SRPM using mock or directly on a physical machine
> with rpmbuild?
No mock, just a simple "rpmbuild -ba SPEC/tigervnc.spec"

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Re: [CentOS] Trying to change subscription optin

[Ed Gurski]

Solved --- I was blocking the site with NoScript...


-- 

Ed Gurski
(e...@gurski.com)
Registered Linux User 458454


On Wed, 2012-08-15 at 10:36 -0400, Ed Gurski wrote:
> I am trying to change my subscription option to a daily digest but am
> unable to log in to change my options

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Re: [CentOS] Extract lines from text file

[Marcelo Beckmann]

Em 15-08-2012 11:22, Tony Molloy escreveu:
> 
> Hi,
> 
> I'm looking for a command to extract lines from a large text file, a 
> password file. A typical user has a username made from a letter 
> followed by their id-number.
> 
> m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
> 
> So for instance if I need to extract lines where;
> 
> the 1st field, the username begins with an m
> and
> the 4th field, the group contains exactly 850
> 
> cat passwdfile | grep ^m | grep 850 > output
> 
> is close but fails if the value 850 appears outside the 4th field. In 
> the above example which should be ignored 850 appears in the username 
> and home directory and is therefore extracted.
> 
> Any ideas.


]$ cat testcentoslist
m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
m9718308:pw:9301:850: Lynch  :/home/pgstud/m9718508:/bin/bash
m9718208:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718908:/bin/bash

]$ cat testcentoslist | egrep ^m.*:.*:.*:850:
m9718308:pw:9301:850: Lynch  :/home/pgstud/m9718508:/bin/bash



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[CentOS] Trying to change subscription optin

[Ed Gurski]

I am trying to change my subscription option to a daily digest but am
unable to log in to change my options
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Re: [CentOS] Extract lines from text file

[wwp]

Hello Tony,


On Wed, 15 Aug 2012 15:22:10 +0100 Tony Molloy  wrote:

> 
> Hi,
> 
> I'm looking for a command to extract lines from a large text file, a 
> password file. A typical user has a username made from a letter 
> followed by their id-number.
> 
> m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash
> 
> So for instance if I need to extract lines where;
> 
> the 1st field, the username begins with an m
> and
> the 4th field, the group contains exactly 850
> 
> cat passwdfile | grep ^m | grep 850 > output
> 
> is close but fails if the value 850 appears outside the 4th field. In 
> the above example which should be ignored 850 appears in the username 
> and home directory and is therefore extracted.

Something like `grep -E '^m.+:.*:.*:850:'` maybe?


Regards,

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Re: [CentOS] Extract lines from text file

[Rajagopal Swaminathan]

Greetings,

On Wed, Aug 15, 2012 at 7:52 PM, Tony Molloy  wrote:
>
> Hi,
>
>
> So for instance if I need to extract lines where;
>
> the 1st field, the username begins with an m
> and
> the 4th field, the group contains exactly 850
>

cut -d: -f1,4 

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Re: [CentOS] iscsi storage, LACP or Multipathing | Migration or rebuild?

[Svavar Örn Eysteinsson]

Hi Götz.
I'm running Centos 6.2 on a Proliant DL380 G7 server connected to a HP 
Lefthand P4500
using multipath, and ALB(Adaptive Load Balancing) on the Lefthand box it 
self.

Regarding, multipath vs bonding read this -> 
http://blog.open-e.com/bonding-versus-mpio-explained/

You will need to go through the storage manual for red hat enterprise 6 
and read some chapters
regarding configuring your options/needs for your scenario.

Best regards,

Svavar O - Iceland



-- 


Götz Reinicke wrote:
> Hi,
>
> I do have one iscsi storage with 4 GBit nics of which currently only one
> is configured with an ip and which is in productive use by one cent os
> 6.3 server.
>
> Doing some research brought me to the idea to use some nic bonding or
> multipathing for that storage, but multipathing I did about four or five
> years ago only once :)
>
> Furthormore I can't find the ultimate answer (may be there is not such)
> what will be better for us:
>
> bonding or multipathing.
>
> The storage is used for backup; it's connected to an backupserver which
> pulls data from different servers ... may be at the same time or one
> after an other. The server uses two bonded nics to the LAN.
>
> My question regarding the setup is, what might be good or better:
> bonding or multipathing. We'd like to increase performance and nic
> failover if one link breaks.
>
> If multipathing is to be preferred, is it possible to preserve the data
> currently saved on the storages ext4?
>
> And googling shows up a lot of different how tos and the redhat doc; but
> I din not found one describing a straight forward setup.
>
> So thanks a lot for any suggestion or comments!
>
>   Regards . Götz
>
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[CentOS] Extract lines from text file

[Tony Molloy]

Hi,

I'm looking for a command to extract lines from a large text file, a 
password file. A typical user has a username made from a letter 
followed by their id-number.

m9718508:pw:9301:840: Lynch  :/home/pgstud/m9718508:/bin/bash

So for instance if I need to extract lines where;

the 1st field, the username begins with an m
and
the 4th field, the group contains exactly 850

cat passwdfile | grep ^m | grep 850 > output

is close but fails if the value 850 appears outside the 4th field. In 
the above example which should be ignored 850 appears in the username 
and home directory and is therefore extracted.

Any ideas.

Thanks,

Tony
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Re: [CentOS] Eth1 problem on CentOS-6.3

[m . roth]

James B. Byrne wrote:
> Having replaced the suspect card and rebooted the host I see these
> messages in /var/log/messages repeated over and over:

> Aug 15 07:20:13 vhost01 kernel: r8169 :01:00.0: eth1:
> RTL8168d/8111d at 0xc9001258c000, 00:0a:cd:1d:32:e7, XID 081000c0
> IRQ 30
> Aug 15 07:20:13 vhost01 kernel: r8169 :01:00.0: eth1: jumbo
> features [frames: 9200 bytes, tx checksumming: ko]
> Aug 15 07:20:14 vhost01 kernel: r8169 :01:00.0: eth1: invalid
> firwmare
> Aug 15 07:20:14 vhost01 kernel: r8169 :01:00.0: eth1: unable to
> load firmware patch rtl_nic/rtl8168d-1.fw (-22)

> So, what is going on?  This host is the first one of two nearly
> identically configured machines.  The second host does not report or
> evidence any problem with its eth1.

My eyes uncrossed, and I saw, buried in there, the firstlink, above, and
the last. You might want to see if a) the 8168d firmware patch will work
on that card; b) vhost - it's a virtual host? perhaps it's trying to load
the firmware patch to the real NIC, and as a guest VM, it doesn't have
rights?

   mark

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Re: [CentOS] Eth1 problem on CentOS-6.3

[James B. Byrne]

Having replaced the suspect card and rebooted the host I see these
messages in /var/log/messages repeated over and over:

Aug 15 07:17:10 vhost01 ntpd[2044]: Listening on interface #62 eth1,
fe80::20a:cdff:fe1d:32e7#123 Enabled
Aug 15 07:17:10 vhost01 ntpd[2044]: Listening on interface #63 eth1,
192.168.216.41#123 Enabled
Aug 15 07:19:41 vhost01 lldpad[1836]: evb_ifdown:port eth1 remove failed
Aug 15 07:19:41 vhost01 lldpad[1836]: evb_ifdown:port eth1 remove failed
Aug 15 07:19:41 vhost01 lldpad[1836]: evb_ifdown:port eth1 remove failed
Aug 15 07:19:43 vhost01 ntpd[2044]: Deleting interface #62 eth1,
fe80::20a:cdff:fe1d:32e7#123, interface stats: received=0, sent=0,
dropped=0, active_time=153 secs
Aug 15 07:19:43 vhost01 ntpd[2044]: Deleting interface #63 eth1,
192.168.216.41#123, interface stats: received=0, sent=0, dropped=0,
active_time=153 secs
Aug 15 07:20:13 vhost01 kernel: r8169 :01:00.0: eth1:
RTL8168d/8111d at 0xc9001258c000, 00:0a:cd:1d:32:e7, XID 081000c0
IRQ 30
Aug 15 07:20:13 vhost01 kernel: r8169 :01:00.0: eth1: jumbo
features [frames: 9200 bytes, tx checksumming: ko]
Aug 15 07:20:14 vhost01 kernel: r8169 :01:00.0: eth1: invalid
firwmare
Aug 15 07:20:14 vhost01 kernel: r8169 :01:00.0: eth1: unable to
load firmware patch rtl_nic/rtl8168d-1.fw (-22)
Aug 15 07:20:14 vhost01 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:20:14 vhost01 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:20:14 vhost01 kernel: ADDRCONF(NETDEV_UP): eth1: link is not
ready
Aug 15 07:20:16 vhost01 kernel: r8169 :01:00.0: eth1: link up
Aug 15 07:20:16 vhost01 kernel: ADDRCONF(NETDEV_CHANGE): eth1: link
becomes ready
Aug 15 07:20:20 vhost01 ntpd[2044]: Listening on interface #64 eth1,
fe80::20a:cdff:fe1d:32e7#123 Enabled
Aug 15 07:20:20 vhost01 ntpd[2044]: Listening on interface #65 eth1,
192.168.216.41#123 Enabled
Aug 15 07:28:14 vhost01 lldpad[1836]: evb_ifdown:port eth1 remove failed
Aug 15 07:28:14 vhost01 lldpad[1836]: evb_ifdown:port eth1 remove failed
Aug 15 07:28:14 vhost01 lldpad[1836]: evb_ifdown:port eth1 remove failed
Aug 15 07:28:16 vhost01 ntpd[2044]: Deleting interface #64 eth1,
fe80::20a:cdff:fe1d:32e7#123, interface stats: received=0, sent=0,
dropped=0, active_time=476 secs
Aug 15 07:28:16 vhost01 ntpd[2044]: Deleting interface #65 eth1,
192.168.216.41#123, interface stats: received=0, sent=0, dropped=0,
active_time=476 secs
Aug 15 07:29:27 vhost01 kernel: r8169 :01:00.0: eth1:
RTL8168d/8111d at 0xc90012588000, 00:0a:cd:1d:32:e7, XID 081000c0
IRQ 30
Aug 15 07:29:27 vhost01 kernel: r8169 :01:00.0: eth1: jumbo
features [frames: 9200 bytes, tx checksumming: ko]
Aug 15 07:29:27 vhost01 kernel: r8169 :01:00.0: eth1: invalid
firwmare
Aug 15 07:29:27 vhost01 kernel: r8169 :01:00.0: eth1: unable to
load firmware patch rtl_nic/rtl8168d-1.fw (-22)
Aug 15 07:29:27 vhost01 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:29:27 vhost01 kernel: r8169 :01:00.0: eth1: link down
Aug 15 07:29:27 vhost01 kernel: ADDRCONF(NETDEV_UP): eth1: link is not
ready
Aug 15 07:29:30 vhost01 kernel: r8169 :01:00.0: eth1: link up
Aug 15 07:29:30 vhost01 kernel: ADDRCONF(NETDEV_CHANGE): eth1: link
becomes ready
Aug 15 07:29:33 vhost01 ntpd[2044]: Listening on interface #66 eth1,
fe80::20a:cdff:fe1d:32e7#123 Enabled
Aug 15 07:29:33 vhost01 ntpd[2044]: Listening on interface #67 eth1,
192.168.216.41#123 Enabled
Aug 15 07:31:54 vhost01 lldpad[1836]: evb_ifdown:port eth1 remove failed
Aug 15 07:31:54 vhost01 lldpad[1836]: evb_ifdown:port eth1 remove failed
Aug 15 07:31:54 vhost01 lldpad[1836]: evb_ifdown:port eth1 remove failed
Aug 15 07:31:55 vhost01 ntpd[2044]: Deleting interface #66 eth1,
fe80::20a:cdff:fe1d:32e7#123, interface stats: received=0, sent=0,
dropped=0, active_time=142 secs
Aug 15 07:31:55 vhost01 ntpd[2044]: Deleting interface #67 eth1,
192.168.216.41#123, interface stats: received=0, sent=0, dropped=0,
active_time=142 secs


So, what is going on?  This host is the first one of two nearly
identically configured machines.  The second host does not report or
evidence any problem with its eth1.

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Re: [CentOS] Good Anti-virus for Linux desktops and servers

[Adam Tauno Williams]

On Wed, 2012-08-15 at 12:47 +0100, Nux! wrote: 
> On 14.08.2012 14:06, Adam Tauno Williams wrote:
> > On Tue, 2012-08-14 at 07:28 +0100, Nux! wrote:
> >> On 13.08.2012 22:46, Gregory Machin wrote:
> >> > Hi.
> >> > Thanks for the feed back.
> >> Why not Clamav?
> >> It has othe n-access thingy as well.
> >> http://www.clamav.net/doc/latest/html/node21.html
> > "you shouldn't run Dazuko on production systems"
> > But, if your clients are Windows boxes via Samba, you can perform
> > on-demand file access via Samba + CLAMAV using a VFS module.  This 
> > works
> > very well.  Then files detected to contain malware cannot be read or
> > saved, and the administrator can be notified.
> > I don't think that really helps the LINUX desktop however.
> Thanks for the tip with the VFS. Not much of a Samba user here, but 
> definitely good advice for the future.
> Searching a bit reveals multiple ways of using this VFS feature; do you 
> have a recommended way of doing it?

The examples are pretty straight-forward.  Just make sure you are
looking at docs for samba-virusfilter and not the older docs for
samba-vscan.






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[CentOS] iscsi storage, LACP or Multipathing | Migration or rebuild?

[Götz Reinicke]

Hi,

I do have one iscsi storage with 4 GBit nics of which currently only one
is configured with an ip and which is in productive use by one cent os
6.3 server.

Doing some research brought me to the idea to use some nic bonding or
multipathing for that storage, but multipathing I did about four or five
years ago only once :)

Furthormore I can't find the ultimate answer (may be there is not such)
what will be better for us:

bonding or multipathing.

The storage is used for backup; it's connected to an backupserver which
pulls data from different servers ... may be at the same time or one
after an other. The server uses two bonded nics to the LAN.

My question regarding the setup is, what might be good or better:
bonding or multipathing. We'd like to increase performance and nic
failover if one link breaks.

If multipathing is to be preferred, is it possible to preserve the data
currently saved on the storages ext4?

And googling shows up a lot of different how tos and the redhat doc; but
I din not found one describing a straight forward setup.

So thanks a lot for any suggestion or comments!

Regards . Götz

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[CentOS] samba problem with kernel 2.6.32-279.*

[Mogens Kjaer]

Hello,

We use Norton Ghost, running in a PXE booted DOS, to
handle Windows XP images.

The images are stored on a samba share on our CentOS 6
server.

This has worked without any problems for years.

After kernel 2.6.32-279* it has stopped working.

The symptom is that if I boot in DOS, and do:

net use x: \\myserver\ghostimages
dir x:

I get an infinite loop where the first file name is
listed again and again.

Going back to kernel-2.6.32-220.17.1 on the server fixes
the problem.

The problem exist with kernel-2.6.32-279, kernel-2.6.32-279.2.1,
and kernel-2.6.32-279.5.1.

Samba is version samba-3.5.10-125, the server is x86_64.

Where should I look for a solution to that problem on
the newer kernels?

Mogens

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Re: [CentOS] Good Anti-virus for Linux desktops and servers

[William Warren]

On 8/14/2012 8:21 PM, Gregory Machin wrote:
> I'm  not to keen either. but one cant account for what users may bring
> in on USB / cdrom or other possible sources. Quite often the users are
> clueless that they have a virus on their usb flash drive :-( . We have
> edge devices with all the bells etc.
>
> Thanks
>
> GM
>
> On Tue, Aug 14, 2012 at 9:02 PM, William Warren
>  wrote:
>> On 8/13/2012 12:25 AM, Gregory Machin wrote:
>>> Hi.
>>>
>>> I'm look for an enterprise quality Anti-virus / Malware for my Linux
>>> machines . Mostly Ubuntu on the desktop, CentOS and RHEL servers. I
>>> must have real time scanning, on demand scanning, and centralized
>>> management.
>>>
>>> Is there anything out there that can do this ?
>>>
>>> GM
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>> I'm not a fan of anti-crud on servers.  Put an astaro security gateway
>> in front of your network and let it scan everything before it gets to
>> your internal devices
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a/v on endpoints yes..I run a/v on endpoints for clients..:)
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Re: [CentOS] Good Anti-virus for Linux desktops and servers

[William Warren]

On 8/15/2012 3:40 AM, James Hogarth wrote:
>> the only method I know that works consistently is to block all direct
>> web and ssl access and force use of a web proxy, so the SSL is between
>> the remote server and the proxy server, which is your security gateway.
> The way I've handled this in previous places when the requirement has
> existed is a company CA cert installed on all corporate devices (windows
> with AD makes this very easy) and man in the middle everything.
>
> There's no browser security errors then and the unencrypted data is visible
> for security inspection.
>
> Of course if doing this make sure you notify in the AUP for the company
> employees have to sign and agree to abide by etc etc...
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that is how astaro does ssl scanning.  Once it has gotten to the 
endpoint it is too late.
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[CentOS] slowness with new kernel+nouveau?

[Darod Zyree]

Hello,

New kernel version 2.6.32-279.2.1.el6.x86_64 in combination with
xorg-x11-drv-nouveau Version:0.0.16 is somehow painfully slow on my
laptop.

during start up it takes almost half a minute for gnome login to appear.
After having logged in the following happens:
- gnome top and bottom panels "slide/crawl" in to view one pixel line at
a time.
- starting the terminal takes much more time, 10-15, sometimes even up
to 20 seconds.
- Firefox also takes much longer to start.

Removing xorg-x11-drv-nouveau seems to resolve this "slowness" but then
my attached monitor does not work.

Anyone else experiencing this issue or know how to fix/troubleshoot?

-- 
Regards,
Darod Zyree



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Re: [CentOS] CentOS6 and netboot

[Lars Hecking]

> >  
> > https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Storage_Administration_Guide/nfs-diskless-systems.html
> 
> Can you tell me what you want rebuilt and where I would find it?
 
 
http://vault.centos.org/5.8/os/SRPMS/system-config-netboot-0.1.45.1-3.el5.src.rpm

 This SRPM creates both system-config-netboot and system-config-netboot-cmd.
 I would like to see those available for CentOS6 if you feel it's a useful
 addition. Otherwise I'd maintain my own.

> The only thing CentOS removes that Red Hat includes is things that
> specifically are RHN centric.  We don't build those for obvious reasons.

 Sure, I understand that. But these packages have been removed by upstream.
 They are no longer included after EL5.

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Re: [CentOS] Good Anti-virus for Linux desktops and servers

[James Hogarth]

>
> the only method I know that works consistently is to block all direct
> web and ssl access and force use of a web proxy, so the SSL is between
> the remote server and the proxy server, which is your security gateway.

The way I've handled this in previous places when the requirement has
existed is a company CA cert installed on all corporate devices (windows
with AD makes this very easy) and man in the middle everything.

There's no browser security errors then and the unencrypted data is visible
for security inspection.

Of course if doing this make sure you notify in the AUP for the company
employees have to sign and agree to abide by etc etc...
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